# -*- mode: Awk; -*-  vim: set filetype=awk : 

math

Standard maths stuff.

 BEGIN { Pi = 3.14159265
         E  = 2.71828183 
       }
 function oddp(x)  { return (x % 2) }
 function evenp(x) { return (! oddp(x)) }
 function round(x) { return int(x + 0.5) }

by Tim Menzies
